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In this paper, we considered some new existence results for the existence of solutions for a class of boundary value problem of semipositone nonlinear fractional coupled differential equation involving the Riemann-Liouville's fractional derivative. While the nonlinear terms being continuous and semipositive, we derive an interval of the eigenvalue parameter λ such that any λ lying in this interval, the semipositive boundary value problem has multiple positive solutions. Some examples are also given to illustrate the main results.
Date of Conference: 23-25 May 2012